/**
 * Copyright 2008 Mathias Doenitz, http://lis.to/
 *
 * This file is part of the lis.to java desktop client. The lis.to java desktop client is free software: you can
 * redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free
 * Software Foundation, either version 3 of the License, or (at your option) any later version.
 *
 * The lis.to java desktop client is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
 * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along with the lis.to java desktop client.
 * If not, see http://www.gnu.org/licenses/
 */

package listo.utils.exceptions;

import java.io.PrintWriter;
import java.io.StringWriter;

public class Exceptions {
    
    public static String getTrace(Throwable e) {
        StringWriter sw = new StringWriter();
        if (e != null) e.printStackTrace(new PrintWriter(sw));
        return sw.toString();
    }

    public static Throwable getInnermost(Throwable e) {
        while (e.getCause() != null) e = e.getCause();
        return e;
    }

    public static void assertTrue(boolean expression) {
        if (!expression) {
            throw new IllegalStateException();
        }
    }

    public static void assertFalse(boolean expression) {
        assertTrue(!expression);
    }
}
